Journal
JOURNAL OF POWER SOURCES
Volume 273, Issue -, Pages 312-316Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2014.09.095
Keywords
Electrospinning; Fuel cell; Transport layer; Characterization; Proton exchange membrane; Carbon nonwoven
Funding
- Natural Science and Engineering Research Council (NSERC)
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We report on the synthesis and performance of carbon nanofibre substrates for PEM fuel cell transport layer applications. Electrospinning is used for fabrication; by manipulation of spinning properties, morphological control is demonstrated in the product. Our application of the technology and it's manipulability to PEMFC transport layers constitutes a novel approach to the manufacture of such layers. Ex-situ morphology, electrical resistance and water contact angles are reported in additional to in-situ hydrogen/air fuel cell performance. Electrospun transport layers are compared directly to established commercial products in a cathode PTL role. The electrospun transport layers demonstrate approximately 85% of the commercial limiting current density, swifter water transport characteristics, and markedly more stable operating points. (C) 2014 Elsevier B.V. All rights reserved.
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